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fragattacks/tests/hwsim/test_ieee8021x.py
Jouni Malinen 26820b4fc1 tests: IEEE 802.1X + WEP reauthentication 
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2016-08-17 13:40:40 +03:00

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# IEEE 802.1X tests
# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
from remotehost import remote_compatible
import binascii
import hmac
import logging
import os
import time
import hostapd
import hwsim_utils
from utils import skip_with_fips
from tshark import run_tshark
logger = logging.getLogger()
def test_ieee8021x_wep104(dev, apdev):
"""IEEE 802.1X connection using dynamic WEP104"""
skip_with_fips(dev[0])
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-wep"
params["ieee8021x"] = "1"
params["wep_key_len_broadcast"] = "13"
params["wep_key_len_unicast"] = "13"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="PSK",
identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ieee8021x_wep40(dev, apdev):
"""IEEE 802.1X connection using dynamic WEP40"""
skip_with_fips(dev[0])
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-wep"
params["ieee8021x"] = "1"
params["wep_key_len_broadcast"] = "5"
params["wep_key_len_unicast"] = "5"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="PSK",
identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ieee8021x_open(dev, apdev):
"""IEEE 802.1X connection using open network"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
id = dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
logger.info("Test EAPOL-Logoff")
dev[0].request("LOGOFF")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("Did not get disconnected")
if "reason=23" not in ev:
raise Exception("Unexpected disconnection reason")
dev[0].request("LOGON")
dev[0].connect_network(id)
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ieee8021x_static_wep40(dev, apdev):
"""IEEE 802.1X connection using static WEP40"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-wep"
params["ieee8021x"] = "1"
params["wep_key0"] = '"hello"'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="PSK",
identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
wep_key0='"hello"', eapol_flags="0",
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ieee8021x_proto(dev, apdev):
"""IEEE 802.1X and EAPOL supplicant protocol testing"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[1].request("SET ext_eapol_frame_io 1")
dev[1].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412", wait_connect=False)
id = dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
ev = dev[1].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
start = dev[0].get_mib()
tests = [ "11",
"11223344",
"020000050a93000501",
"020300050a93000501",
"0203002c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0203002c0100000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"0203002c0100050000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"02aa00050a93000501" ]
for frame in tests:
res = dev[0].request("EAPOL_RX " + bssid + " " + frame)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
dev[1].request("EAPOL_RX " + bssid + " " + frame)
stop = dev[0].get_mib()
logger.info("MIB before test frames: " + str(start))
logger.info("MIB after test frames: " + str(stop))
vals = [ 'dot1xSuppInvalidEapolFramesRx',
'dot1xSuppEapLengthErrorFramesRx' ]
for val in vals:
if int(stop[val]) <= int(start[val]):
raise Exception(val + " did not increase")
@remote_compatible
def test_ieee8021x_eapol_start(dev, apdev):
"""IEEE 802.1X and EAPOL-Start retransmissions"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
addr0 = dev[0].own_addr()
hapd.set("ext_eapol_frame_io", "1")
try:
dev[0].request("SET EAPOL::startPeriod 1")
dev[0].request("SET EAPOL::maxStart 1")
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412", wait_connect=False)
held = False
for i in range(30):
pae = dev[0].get_status_field('Supplicant PAE state')
if pae == "HELD":
mib = hapd.get_sta(addr0, info="eapol")
if mib['auth_pae_state'] != 'AUTHENTICATING':
raise Exception("Unexpected Auth PAE state: " + mib['auth_pae_state'])
held = True
break
time.sleep(0.25)
if not held:
raise Exception("PAE state HELD not reached")
dev[0].wait_disconnected()
finally:
dev[0].request("SET EAPOL::startPeriod 30")
dev[0].request("SET EAPOL::maxStart 3")
def test_ieee8021x_held(dev, apdev):
"""IEEE 802.1X and HELD state"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
hapd.set("ext_eapol_frame_io", "1")
try:
dev[0].request("SET EAPOL::startPeriod 1")
dev[0].request("SET EAPOL::maxStart 0")
dev[0].request("SET EAPOL::heldPeriod 1")
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412", wait_connect=False)
held = False
for i in range(30):
pae = dev[0].get_status_field('Supplicant PAE state')
if pae == "HELD":
held = True
break
time.sleep(0.25)
if not held:
raise Exception("PAE state HELD not reached")
hapd.set("ext_eapol_frame_io", "0")
for i in range(30):
pae = dev[0].get_status_field('Supplicant PAE state')
if pae != "HELD":
held = False
break
time.sleep(0.25)
if held:
raise Exception("PAE state HELD not left")
ev = dev[0].wait_event([ "CTRL-EVENT-CONNECTED",
"CTRL-EVENT-DISCONNECTED" ], timeout=10)
if ev is None:
raise Exception("Connection timed out")
if "CTRL-EVENT-DISCONNECTED" in ev:
raise Exception("Unexpected disconnection")
finally:
dev[0].request("SET EAPOL::startPeriod 30")
dev[0].request("SET EAPOL::maxStart 3")
dev[0].request("SET EAPOL::heldPeriod 60")
def send_eapol_key(dev, bssid, signkey, frame_start, frame_end):
zero_sign = "00000000000000000000000000000000"
frame = frame_start + zero_sign + frame_end
hmac_obj = hmac.new(binascii.unhexlify(signkey))
hmac_obj.update(binascii.unhexlify(frame))
sign = hmac_obj.digest()
frame = frame_start + binascii.hexlify(sign) + frame_end
dev.request("EAPOL_RX " + bssid + " " + frame)
def test_ieee8021x_eapol_key(dev, apdev):
"""IEEE 802.1X connection and EAPOL-Key protocol tests"""
skip_with_fips(dev[0])
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-wep"
params["ieee8021x"] = "1"
params["wep_key_len_broadcast"] = "5"
params["wep_key_len_unicast"] = "5"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="VENDOR-TEST",
identity="vendor-test", scan_freq="2412")
# Hardcoded MSK from VENDOR-TEST
encrkey = "1111111111111111111111111111111111111111111111111111111111111111"
signkey = "2222222222222222222222222222222222222222222222222222222222222222"
# EAPOL-Key replay counter does not increase
send_eapol_key(dev[0], bssid, signkey,
"02030031" + "010005" + "0000000000000000" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
"1c636a30a4")
# EAPOL-Key too large Key Length field value
send_eapol_key(dev[0], bssid, signkey,
"02030031" + "010021" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
"1c636a30a4")
# EAPOL-Key too much key data
send_eapol_key(dev[0], bssid, signkey,
"0203004d" + "010005" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
33*"ff")
# EAPOL-Key too little key data
send_eapol_key(dev[0], bssid, signkey,
"02030030" + "010005" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
"1c636a30")
# EAPOL-Key with no key data and too long WEP key length
send_eapol_key(dev[0], bssid, signkey,
"0203002c" + "010020" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
"")
def test_ieee8021x_reauth(dev, apdev):
"""IEEE 802.1X and EAPOL_REAUTH request"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hapd.request("EAPOL_REAUTH " + dev[0].own_addr())
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not start")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not succeed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ieee8021x_reauth_wep(dev, apdev, params):
"""IEEE 802.1X and EAPOL_REAUTH request with WEP"""
logdir = params['logdir']
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
params["wep_key_len_broadcast"] = "13"
params["wep_key_len_unicast"] = "13"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
hapd.request("EAPOL_REAUTH " + dev[0].own_addr())
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not start")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not succeed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd)
out = run_tshark(os.path.join(logdir, "hwsim0.pcapng"),
"llc.type == 0x888e", ["eapol.type", "eap.code"])
if out is None:
raise Exception("Could not find EAPOL frames in capture")
num_eapol_key = 0
num_eap_req = 0
num_eap_resp = 0
for line in out.splitlines():
vals = line.split()
if vals[0] == '3':
num_eapol_key += 1
if vals[0] == '0' and len(vals) == 2:
if vals[1] == '1':
num_eap_req += 1
elif vals[1] == '2':
num_eap_resp += 1
logger.info("num_eapol_key: %d" % num_eapol_key)
logger.info("num_eap_req: %d" % num_eap_req)
logger.info("num_eap_resp: %d" % num_eap_resp)
if num_eapol_key < 4:
raise Exception("Did not see four unencrypted EAPOL-Key frames")
if num_eap_req < 6:
raise Exception("Did not see six unencrypted EAP-Request frames")
if num_eap_resp < 6:
raise Exception("Did not see six unencrypted EAP-Response frames")
def test_ieee8021x_set_conf(dev, apdev):
"""IEEE 802.1X and EAPOL_SET command"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
addr0 = dev[0].own_addr()
tests = [ "EAPOL_SET 1",
"EAPOL_SET %sfoo bar" % addr0,
"EAPOL_SET %s foo" % addr0,
"EAPOL_SET %s foo bar" % addr0,
"EAPOL_SET %s AdminControlledDirections bar" % addr0,
"EAPOL_SET %s AdminControlledPortControl bar" % addr0,
"EAPOL_SET %s reAuthEnabled bar" % addr0,
"EAPOL_SET %s KeyTransmissionEnabled bar" % addr0,
"EAPOL_SET 11:22:33:44:55:66 AdminControlledDirections Both" ]
for t in tests:
if "FAIL" not in hapd.request(t):
raise Exception("Invalid EAPOL_SET command accepted: " + t)
tests = [ ("AdminControlledDirections", "adminControlledDirections", "In"),
("AdminControlledDirections", "adminControlledDirections",
"Both"),
("quietPeriod", "quietPeriod", "13"),
("serverTimeout", "serverTimeout", "7"),
("reAuthPeriod", "reAuthPeriod", "1234"),
("reAuthEnabled", "reAuthEnabled", "FALSE"),
("reAuthEnabled", "reAuthEnabled", "TRUE"),
("KeyTransmissionEnabled", "keyTxEnabled", "TRUE"),
("KeyTransmissionEnabled", "keyTxEnabled", "FALSE"),
("AdminControlledPortControl", "portControl", "ForceAuthorized"),
("AdminControlledPortControl", "portControl",
"ForceUnauthorized"),
("AdminControlledPortControl", "portControl", "Auto") ]
for param,mibparam,val in tests:
if "OK" not in hapd.request("EAPOL_SET %s %s %s" % (addr0, param, val)):
raise Exception("Failed to set %s %s" % (param, val))
mib = hapd.get_sta(addr0, info="eapol")
if mib[mibparam] != val:
raise Exception("Unexpected %s value: %s (expected %s)" % (param, mib[mibparam], val))
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=5)
if ev is None:
raise Exception("EAP authentication did not succeed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ieee8021x_auth_awhile(dev, apdev):
"""IEEE 802.1X and EAPOL Authenticator aWhile handling"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
params['auth_server_port'] = "18129"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
addr0 = dev[0].own_addr()
params = {}
params['ssid'] = 'as'
params['beacon_int'] = '2000'
params['radius_server_clients'] = 'auth_serv/radius_clients.conf'
params['radius_server_auth_port'] = '18129'
params['eap_server'] = '1'
params['eap_user_file'] = 'auth_serv/eap_user.conf'
params['ca_cert'] = 'auth_serv/ca.pem'
params['server_cert'] = 'auth_serv/server.pem'
params['private_key'] = 'auth_serv/server.key'
hapd1 = hostapd.add_ap(apdev[1], params)
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hapd1.disable()
if "OK" not in hapd.request("EAPOL_SET %s serverTimeout 1" % addr0):
raise Exception("Failed to set serverTimeout")
hapd.request("EAPOL_REAUTH " + dev[0].own_addr())
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
for i in range(40):
mib = hapd.get_sta(addr0, info="eapol")
val = int(mib['aWhile'])
if val > 0:
break
time.sleep(1)
if val == 0:
raise Exception("aWhile did not increase")
hapd.dump_monitor()
for i in range(40):
mib = hapd.get_sta(addr0, info="eapol")
val = int(mib['aWhile'])
if val < 5:
break
time.sleep(1)
ev = hapd.wait_event(["CTRL-EVENT-EAP-PROPOSED"], timeout=10)
if ev is None:
raise Exception("Authentication restart not seen")
def test_ieee8021x_open_leap(dev, apdev):
"""IEEE 802.1X connection with LEAP included in configuration"""
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-open"
params["ieee8021x"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
dev[1].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="LEAP", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412", wait_connect=False)
dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
eap="PSK LEAP", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
ev = dev[1].wait_event(["CTRL-EVENT-AUTH-REJECT"], timeout=5)
dev[1].request("DISCONNECT")
def test_ieee8021x_and_wpa_enabled(dev, apdev):
"""IEEE 802.1X connection using dynamic WEP104 when WPA enabled"""
skip_with_fips(dev[0])
params = hostapd.radius_params()
params["ssid"] = "ieee8021x-wep"
params["ieee8021x"] = "1"
params["wep_key_len_broadcast"] = "13"
params["wep_key_len_unicast"] = "13"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X WPA-EAP", eap="PSK",
identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], hapd)
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